Caulophyllum giganteum

Family (Traditional)Berberidaceae
Species:Caulophyllum giganteum (Farw.) Loconte & W. H. Blackw.
Common NameGiant Blue Cohosh
Growth Habitforb
Plant Notes**
CharacteristicsArmaments: No; Milky Sap: No; Photosynthetic: Yes; Stipules: No; Woody Herbaceous: Herbaceous; Duration: Perennial; General Ecology: Terrestrial; Growth Habit: forb; Moisture Requirements: Mesic; Region of Origin: North America; Reproductive Phenology: April; Reproductive Phenology: May; Leaf Arrangement: alternate; Leaf Complexity: compound; Leaf Dissection: 2; Leaf Fragrance: No; Leaf Persistance: Deciduous; Leaf Petiole Type: petiolate; Leaf Type: broadleaf; Leaf Venation: pinnate; Leaf Venation: ternate; Leaflet Margins: dentate; Leaflet Margins: lobed; Leaflet Number: 9; Leaflet Number: 12; Leaflet Number: 15; Leaflet Number: 17; Leaflet Number: 19; Base Flower Color: Brown (incl. Maroon); Fruit Dehiscence: No; Fruit Type: Drupe; Fruit Wet/Dry: Wet; Hypanthium Present: No; Overall Flower Symmetry: Actinomorphic; Perianth Present: Yes; Pistil Number: 1; Placentation Type: Basal; Sporangium Arrangement: N/A; Stamen Number: 6
C value 7
StatusNative; TN[S1] KY[SNR] (State Rank); G4G5 (Global Rank)
Specimen(s) View and Download Specimen Details »

** Not applicable or data not available.

Species Distribution Map

This species has been reported in the counties highlighted in the interactive distribution map below. Click on a county to display the its name. Click the question mark icon () to view additional information about the ecoregions shown. In the map legend, there are links to toggle the visibility of the ecoregions and/or their labels. In addition, clicking on an ecoregion name will highlight that region on the map.

  • State Boundaries
  • Counties
  • Counties - Species Present
  • Southeastern Plains
    • Blackland Prarie
  • Blue Ridge Mountains
  • Ridge and Valley
  • Cumberland Plateau
  • Cumberland Mountains
  • Allegheny Plateau
  • Interior Plateau
    • Bluegrass Region
    • Nashville Basin
    • Pennyroyal Karst Plain
    • Western Highland Rim
    • Eastern Highland Rim


No synonyms exist for this species.

Specimens and Distribution

This species has been reported in the following counties by the herbaria listed. An overview of the individual specimens are provided in the table that follows. Click on the accession number to view details; click on column headers to sort.

Counties included on distribution map: Jackson (KY), Madison (KY), Cannon (TN), Washington (TN)

Herbaria represented by specimen data listed below: APSC, BEREA, TENN

Range of years during which specimens were collected: 2018 - 2018

Accession No. (click for full details) County State Coll. Date Collector &
Collection No.
Herbarium &
Herbarium Name Used
BEREA009816 Madison Kentucky
Caulophyllum giganteum
APSC0068557 Cannon Tennessee
Caulophyllum giganteum
APSC0092979 Jackson Kentucky 17 Mar 2018 Mason Brock
Caulophyllum giganteum
TENN-V-0244317 Cannon Tennessee Milo Pyne
Caulophyllum giganteum
TENN-V-0101125 Washington Tennessee
Caulophyllum giganteum
First Page Previous Page Next Page Last Page
Records per Page:

Plant Photos

Caulophyllum giganteum - Milo Pyne
Caulophyllum giganteum - Milo Pyne
Caulophyllum giganteum - Sunny Fleming
Caulophyllum giganteum - Sunny Fleming
Caulophyllum giganteum - Tara Littlefield
Caulophyllum giganteum - Tara Littlefield
Caulophyllum giganteum - Tara Littlefield
Caulophyllum giganteum - Tara Littlefield
Caulophyllum giganteum - Tara Littlefield
Caulophyllum giganteum - Tara Littlefield